爱荷华州以美国为首,19%的桥梁被视为结构性缺陷,共有4 544座桥梁。 Iowa leads the U.S. with 19% of its bridges deemed structurally deficient, totaling 4,544 bridges.

新报告显示,爱荷华州在美国结构有缺陷的桥梁数量最多,其中19%的桥梁需要维修,共有4 544座桥梁。 A new report indicates Iowa has the highest number of structurally deficient bridges in the U.S., with 19% of its bridges in need of repair, totaling 4,544 bridges. 最不足的是1940年建造的百年桥,每天有约26 500次过境。 The most deficient is the 1940-built Centennial Bridge, seeing about 26,500 daily crossings. 横跨爱荷华州的近15 000座桥梁需要修复, Nearly 15,000 bridges across Iowa require repairs, highlighting a significant issue for the state's transportation infrastructure.